TW200719334A - Defect management method and disk drive using the same - Google Patents

Defect management method and disk drive using the same

Info

Publication number
TW200719334A
TW200719334A TW095129222A TW95129222A TW200719334A TW 200719334 A TW200719334 A TW 200719334A TW 095129222 A TW095129222 A TW 095129222A TW 95129222 A TW95129222 A TW 95129222A TW 200719334 A TW200719334 A TW 200719334A
Authority
TW
Taiwan
Prior art keywords
defect
block
dpt
processing table
replacement
Prior art date
Application number
TW095129222A
Other languages
Chinese (zh)
Inventor
Chun-Ying Chiang
Yih-Shin Weng
Original Assignee
Mediatek Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mediatek Inc filed Critical Mediatek Inc
Publication of TW200719334A publication Critical patent/TW200719334A/en

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1883—Methods for assignment of alternate areas for defective areas
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B2020/10916—Seeking data on the record carrier for preparing an access to a specific address
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1883—Methods for assignment of alternate areas for defective areas
    • G11B2020/1893—Methods for assignment of alternate areas for defective areas using linear replacement to relocate data from a defective block to a non-contiguous spare area, e.g. with a secondary defect list [SDL]

Abstract

A method and device for management of defects in a recording medium such as a DVD disc are disclosed. The present invention utilizes defect processing table to reduce the seek times of a pick-up head in obtaining replacement ECC blocks for defect ECC blocks in a user data area of the disc. The defect processing table is used to indicate a location to access replacement block for a defect block. Since the defect processing table (DPT) stores only the relevant information about the defect block and replacement block rather than the defect block or the replacement block per se, it only needs a very small memory space. The present invention also provides a DPT management unit to manage the contents of the DPT.
TW095129222A 2005-11-02 2006-08-09 Defect management method and disk drive using the same TW200719334A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US73284405P 2005-11-02 2005-11-02
US11/412,428 US20070101211A1 (en) 2005-11-02 2006-04-27 Defect management method and disk drive using the same

Publications (1)

Publication Number Publication Date
TW200719334A true TW200719334A (en) 2007-05-16

Family

ID=37998049

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095129222A TW200719334A (en) 2005-11-02 2006-08-09 Defect management method and disk drive using the same

Country Status (2)

Country Link
US (1) US20070101211A1 (en)
TW (1) TW200719334A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7675830B2 (en) * 2004-03-22 2010-03-09 Pioneer Corporation Write-once-type recording medium having a plurality of management areas, recording apparatus for the recording medium and method for the same, reproducing apparatus for the recording medium and method for the same, and computer program
US8014245B2 (en) * 2007-08-23 2011-09-06 Seagate Technology Llc System and method of defect description of a data storage medium
KR101883327B1 (en) 2012-03-28 2018-07-30 삼성전자주식회사 Method for forming fine patterns of semiconductor device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0581789A (en) * 1991-09-24 1993-04-02 Ricoh Co Ltd Optical disk device
TWI220249B (en) * 2002-05-28 2004-08-11 Mediatek Inc Method for managing defects on an optical disk
TWI248067B (en) * 2002-07-04 2006-01-21 Mediatek Inc Method for managing spare blocks of optical disk
KR20040004735A (en) * 2002-07-05 2004-01-14 주식회사 히타치엘지 데이터 스토리지 코리아 Method for recording substitute defect block in optical disc driver
US7385889B2 (en) * 2003-03-03 2008-06-10 Samsung Electronics Co., Ltd. Method and apparatus for managing disc defect using temporary DFL and temporary DDS including drive and disc information disc with temporary DFL and temporary DDS
TWI253641B (en) * 2003-05-15 2006-04-21 Mediatek Inc Method for defect management of an optical storage medium with a sorting process

Also Published As

Publication number Publication date
US20070101211A1 (en) 2007-05-03

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